329 results found
    1. Cancer Biology

    TLE3 loss confers AR inhibitor resistance by facilitating GR-mediated human prostate cancer cell growth

    Sander AL Palit et al.
    A mechanistic link between TLE3 loss and glucocorticoid receptor-mediated androgen receptor inhibitor resistance supports the rationale to target GR during anti-hormonal treatment in castrate-resistant prostate cancer.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Aberrant corticosteroid metabolism in tumor cells enables GR takeover in enzalutamide resistant prostate cancer

    Jianneng Li et al.
    Prostate cancer resistance to androgen receptor antagonist therapy occurs by way of tumors impeding local glucocorticoid metabolism and inactivation and thereby permitting sustained glucocorticoids to stimulate up-regulated glucocorticoid receptor.
    1. Neuroscience

    Enhanced insulin signalling ameliorates C9orf72 hexanucleotide repeat expansion toxicity in Drosophila

    Magda L Atilano et al.
    Modulation of insulin signalling could be an effective therapeutic approach against hexanucleotide repeat expansion related to c9ALS/FTD neurodegenerative diseases.
    1. Neuroscience

    Glucocorticoid receptor-mediated amygdalar metaplasticity underlies adaptive modulation of fear memory by stress

    Ran Inoue et al.
    Behavioral analyses and an optogenetic approach reveal an existence of GR-mediated metaplasticity in the LA and its link with adaptive fear response to auditory cues in a stressful condition.
    1. Cell Biology
    2. Neuroscience

    C9orf72 arginine-rich dipeptide repeat proteins disrupt karyopherin-mediated nuclear import

    Lindsey R Hayes et al.
    Poly-PR and poly-GR interact with importin β, disrupt importin-cargo loading, and inhibit nuclear import in permeabilized cells in a manner that can be rescued by RNA.
    1. Neuroscience

    Conditional deletion of glucocorticoid receptors in rat brain results in sex-specific deficits in fear and coping behaviors

    Jessie R Scheimann et al.
    Development of a conditional glucocorticoid receptor knockdown rat model allows for high resolution anatomical, physiological and behavioral exploration into the role of glucocorticoid receptor signaling in defined cell populations.
    1. Cell Biology

    Endothelial-specific FoxO1 depletion prevents obesity-related disorders by increasing vascular metabolism and growth

    Martina Rudnicki et al.
    Stimulation of endothelial glucose metabolism and vascular growth by genetic depletion of endothelial Foxo1 improves the whole-body response to a high-fat diet, by preserving adipose tissue functions and glucose homeostasis.
    1. Cell Biology
    2. Cancer Biology

    Tumor suppressive role of sestrin2 during colitis and colon carcinogenesis

    Seung-Hyun Ro et al.
    Sestrin2 loss could be a universal mechanism of human colon carcinogenesis that allows for barrier dysfunction, mTORC1 hyperactivation, unrestricted tumor growth and chemoresistance.
    1. Biochemistry and Chemical Biology

    Tetramerisation of the CRISPR ring nuclease Crn3/Csx3 facilitates cyclic oligoadenylate cleavage

    Januka S Athukoralage et al.
    A widespread ribonuclease is a CRISPR-associated ring nuclease with a highly unusual cooperative mechanism involving tetramerisation of the enzyme.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanism of Na+-dependent citrate transport from the structure of an asymmetrical CitS dimer

    David Wöhlert et al.
    The high-resolution x-ray structure of an asymmetrical SeCitS dimer, present in the inward- and outward-facing state, provides a complete mechanism of substrate and ion translocation in a sodium-dependent symporter.

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